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Forrest M. Mims III: Fridge Alarm Kit with Engineer's Mini Notebook
| Jameco Part no. 2155495 | |
|---|---|
| Manufacturer | JAMECO KITPRO |
| Manufacturer no. | KIT-FA |
| Catalog 132 , page 163 |
- Kit Instructions [88 KB ]
Forrest M. Mims III: Fridge Alarm Kit
With Engineer's Mini Notebook: Volume 3Have a food burglar in your midst, or just trying to keep the midnight snackers at bay? You need a fridge alarm. This handy little gadget sits quietly in the fridge until someone opens the door. When the door opens, it turns on the light inside the fridge. The light triggers the photocell on the alarm causing it to emit a shrill tone. It may not stop the perpetrator, but it will make them think twice about opening the fridge door again.
This kit also includes the Engineer's Mini Notebook: Volume 3 by Forrest M. Mims III, but you may also purchase the kit without the book.
Visit the Jameco Workshop page for complete build instructions.Fridge Alarm Kit Includes:
| Part No. | Description | |
| 38236 | Transistor, 2N2222A | |
| 335557 | Buzzer, Piezo, 3400Hz, 90dB | |
| 202454 | Photocell | |
| 43001 | Potentiometer, 3/8" Sq. Cermet, 10K Ω | |
| 2120153 | 9V Battery | |
| 216427 | Battery Holder, 9V snaps | |
| 2112760 | Book, Electronic Sensor Circuits & Projects | |
| --- | Fridge Alarm PCB | |
| --- | Instructions |
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